Application Data Maintenance Tools

🔄 Application backend features 📦 Application configuration 🔄 Application data feedback 🔄 Application data handling 🔄 Application data synchronization 🔄 Application data testing 🔄 Application data updates 🔄 Application features integration 🔐 Authentication features 🗄️ Database queries 📈 Frontend integration 🎯 Reactive database 🔄 Real-time application 🖥️ Typescript applications 🔄 User data synchronization